2024 MD CDL Practice Test: Class A - Test 6 Based on 2024 MD CDL Handbook 24. Who is responsible for the safe operation of a vehicle? A The driver B The owner C The mechanic Next More 24/30 Progress 0 Errors Restart Next Next Class A - Test 6 Back to Test List Class A - Test 5 Class A - Test 7 Challenge Library 12 More MD CDL Practice Tests 7 Class A - Test 7 8 Class A - Test 8 9 Class B - Test 10 Class B - Test 2 11 Class B - Test 3 12 Class B - Test 4 13 Class B - Test 5 14 Class B - Test 6 15 Class B - Test 7 16 HazMat - Test
